.hd_nav_top {
    width: 100%;
    height: 38px;
    background: rgb(255, 255, 255);
    border-bottom: 1px solid rgb(240, 240, 240);
    /* box-sizing: border-box; */
    z-index: 99;
    position: fixed;
    top: 0;
}

.nav_left {
    width: 94%;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
}